CN208934870U - Muffler for vacuum pump - Google Patents
Muffler for vacuum pump Download PDFInfo
- Publication number
- CN208934870U CN208934870U CN201821586281.3U CN201821586281U CN208934870U CN 208934870 U CN208934870 U CN 208934870U CN 201821586281 U CN201821586281 U CN 201821586281U CN 208934870 U CN208934870 U CN 208934870U
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- CN
- China
- Prior art keywords
- hush pipe
- rear end
- inlet plenum
- face
- bearing bracket
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- 238000005192 partition Methods 0.000 claims abstract description 10
- 239000010425 asbestos Substances 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
The utility model relates to be specially adapted for the part of the pump of elastic fluid or pumping system, component or field of accessories, specially a kind of muffler for vacuum pump.A kind of muffler for vacuum pump, including air cabinet (1), it is characterized in that: further including hush pipe (2), inlet plenum drive end bearing bracket (31), exhaust chamber rear end cap (32) and connecting rod (4), hush pipe (2) is set in air cabinet (1), is arranged and is fixed on the partition in air cabinet (1) in the middle part of hush pipe (2)；Inlet plenum drive end bearing bracket (31) and exhaust chamber rear end cap (32) be sealed on the front end face of air cabinet (1) and rear end face on；The front end of hush pipe (2) is connected by connecting rod (4) and is fastened on inlet plenum drive end bearing bracket (31), and the rear end of hush pipe (2) resists and is fastened on exhaust chamber rear end cap (32).The utility model structure is simple, easy to use, good muffling effect, securely and reliably.
Description
Technical field
The utility model relates to be specially adapted for the part of the pump of elastic fluid or pumping system, component or field of accessories,
Specially a kind of muffler for vacuum pump.
Background technique
With the extensive application of oil free type vacuum pump, especially in emerging industry, such as medical industry, electronics industry into
Enter, has greatly pushed the development of vacuum pump industry.But in medical industry and electronics industry, the requirement to sound is very
Harshness, and vacuum pump is during running at high speed, the high flow rate air of generation is when passing through original watertight aircase, inevitably
Sharp and ear-piercing sound is generated, and as the increase noise of flow is bigger, while that there is also pump body temperatures is excessively high, by ring
The defects of border factor influences greatly, superficial dust, pollution environment, this allows for vacuum pump in the development of health care and electronics industry
Receive great obstruction.
Utility model content
In order to overcome the drawbacks of the prior art, simple a kind of structure, easy to use, good muffling effect, safe and reliable is provided
Pumping equipment, the utility model discloses a kind of mufflers for vacuum pump.
The utility model reaches goal of the invention by following technical solution:
A kind of muffler for vacuum pump, including air cabinet, are equipped with partition in watertight aircase body, and the partition is by air
The inner cavity of cabinet is divided into the part of the two mutual gas circuits isolation of inlet plenum and exhaust chamber, it is characterized in that: further include hush pipe,
Inlet plenum drive end bearing bracket, exhaust chamber rear end cap and connecting rod,
The lateral surface of inlet plenum is equipped at least two air inlets；
Hush pipe is set in watertight aircase body, and the front end of hush pipe is inlet end and is provided with the noise reduction air inlet penetrated through with inner cavity
Hole, the rear end of hush pipe is exhaust end and is provided with the noise reduction gas vent penetrated through with inner cavity, is arranged and is fixed in the middle part of hush pipe
On the intracorporal partition of watertight aircase, the rear and front end of hush pipe is respectively arranged in inlet plenum and in exhaust chamber；
Inlet plenum drive end bearing bracket and exhaust chamber rear end cap are sealed on the front end face of air cabinet on rear end face, are vented
Room rear end cap is equipped at least four gas vents；
The front end of hush pipe is connected by connecting rod and is fastened on inlet plenum drive end bearing bracket, and the rear end of hush pipe resists simultaneously tight
Gu on exhaust chamber rear end cap.
The muffler for vacuum pump, it is characterized in that: further include nut, pinch grip, washer, rubber hose and
Screw,
The front end face of hush pipe is equipped with screw hole, is respectively equipped with external screw thread on the lateral surface at connecting rod both ends, connecting rod
It is fastened in the screw hole that rear end is spun on hush pipe front end face and with nut, the front end of connecting rod is used after being pierced by from inlet plenum drive end bearing bracket
Pinch grip and washer are screwed and are fastened on inlet plenum drive end bearing bracket, between hush pipe front end face and inlet plenum drive end bearing bracket inner face
It is lined with rubber hose, is connected and is fastened with screw between inlet plenum rear end cap and air cabinet rear end face.
The muffler for vacuum pump, it is characterized in that: further include rubber sheet gasket and asbestos washer,
Rubber sheet gasket is lined between inlet plenum drive end bearing bracket and air cabinet front end face, after exhaust chamber rear end cap and air cabinet
Asbestos washer is lined between end face.
When the utility model is used, inlet plenum connects the exhaust outlet of vacuum pump by air inlet, firstly, vacuum pump will compress
High temperature air afterwards passes through the inlet plenum of air inlet input air cabinet, and subsequent high temperature air passes through the noise reduction of hush pipe inlet end
Air inlet enters inside hush pipe, and high-temperature gas obtains the row after noise reduction through noise reduction row of exhausting-gas hole to air cabinet in hush pipe
Gas chamber is most discharged into ambient atmosphere through the gas vent on exhaust chamber rear end cap afterwards.High-temperature gas by air inlet → inlet plenum →
This space transfer all the way of hush pipe → exhaust chamber → gas vent, volume expansion, temperature reduce, and noise reduces, and have reached noise reduction
The purpose of noise reduction.
Exhaust chamber drive end bearing bracket can be tightened by pinch grip；By washer, rubber sheet gasket and asbestos washer, can be enhanced
The leakproofness of air cabinet, prevents gas leakage；Before the adjustable inlet plenum drive end bearing bracket of elasticity and air cabinet of rubber hose
Spacing between end face.
The utility model structure is simple, easy for installation, and effect is reliable, can reduce high speed gas at vacuum pump exhaust port
Body by when the noise that generates, to expand the neck such as the vacuum pump health care harsher to sound requirement and electronics industry
The application range in domain.
The beneficial effects of the utility model are: structure is simple, easy to use, good muffling effect, securely and reliably.
Detailed description of the invention
Fig. 1 is the assembling schematic diagram of the utility model；
Axonometric drawing when Fig. 2 is the utility model unassembled inlet plenum drive end bearing bracket；
Axonometric drawing when Fig. 3 is the utility model unassembled exhaust chamber rear end cap.
Specific embodiment
The utility model is further illustrated below by way of specific embodiment.
Embodiment 1
After a kind of muffler for vacuum pump, including air cabinet 1, hush pipe 2, inlet plenum drive end bearing bracket 31, exhaust chamber
End cap 32 and connecting rod 4, as shown in FIG. 1 to 3, specific structure is:
Partition is equipped in air cabinet 1, the inner cavity of air cabinet 1 is divided into inlet plenum 11 and exhaust chamber 12 by the partition
The part of the two mutual gas circuit isolation, the lateral surface of inlet plenum 11 are equipped at least two air inlets 111；
Hush pipe 2 is set in air cabinet 1, the front end of hush pipe 2 be inlet end and be provided with the noise reduction of inner cavity perforation into
Stomata 21, the rear end of hush pipe 2 is exhaust end and is provided with the noise reduction gas vent 22 penetrated through with inner cavity, and the middle part of hush pipe 2 is arranged
And be fixed on the partition in air cabinet 1, the rear and front end of hush pipe 2 is respectively arranged in inlet plenum 11 and in exhaust chamber 12；
Inlet plenum drive end bearing bracket 31 and exhaust chamber rear end cap 32 are sealed on the front end face of air cabinet 1 and rear end face
On, exhaust chamber rear end cap 32 is equipped at least four gas vents 321；
The front end of hush pipe 2 is connected and is fastened on inlet plenum drive end bearing bracket 31 by connecting rod 4, and the rear end of hush pipe 2 is supported
Firmly and it is fastened on exhaust chamber rear end cap 32.
The present embodiment further includes nut 5, pinch grip 61, washer 62, rubber hose 7, screw 8, rubber sheet gasket 91 and stone
Cotton pad piece 92,
The front end face of hush pipe 2 is equipped with screw hole, is respectively equipped with external screw thread, connecting rod 4 on the lateral surface at 4 both ends of connecting rod
Rear end be spun on the screw hole on 2 front end face of hush pipe Nei and fastened with nut 5, the front end of connecting rod 4 is from inlet plenum drive end bearing bracket 31
It is screwed and is fastened on inlet plenum drive end bearing bracket 31 with pinch grip 61 and washer 62 after being pierced by, 2 front end face of hush pipe and inlet plenum
It is lined with rubber hose 7 between 31 inner face of drive end bearing bracket, is connected between 1 rear end face of inlet plenum rear end cap 32 and air cabinet with screw 8
Connect fastening；
Rubber sheet gasket 91, exhaust chamber rear end cap 32 and sky are lined between 1 front end face of inlet plenum drive end bearing bracket 31 and air cabinet
Asbestos washer 92 is lined between 1 rear end face of gas tank body.
The present embodiment is in use, inlet plenum 11 connects the exhaust outlet of vacuum pump by air inlet 111, firstly, vacuum pump will
Compressed high temperature air passes through the inlet plenum 11 of 111 input air cabinet 1 of air inlet, and subsequent high temperature air passes through hush pipe 2
The noise reduction air inlet 21 of inlet end enters inside hush pipe 2, and high-temperature gas is obtained after noise reduction in hush pipe 2 through noise reduction gas vent
22 drain into the exhaust chamber 12 of air cabinet 1, are most discharged into ambient atmosphere through the gas vent 321 on exhaust chamber rear end cap 32 afterwards.It is high
Wet body by this space transfer all the way of 111 → inlet plenum of air inlet, 11 → hush pipe, 2 → exhaust chamber, 12 → gas vent 321,
Volume expansion, temperature reduce, and noise reduces, and have achieved the purpose that sound-deadening and noise-reducing.
Exhaust chamber drive end bearing bracket 31 can be tightened by pinch grip 61；Pass through washer 62, rubber sheet gasket 91 and asbestos washer
92, the leakproofness of air cabinet 1 can be enhanced, prevent gas leakage；Utilize the adjustable inlet plenum drive end bearing bracket of elasticity of rubber hose 7
Spacing between 31 and 1 front end face of air cabinet.
Claims (3)
1. a kind of muffler for vacuum pump, including air cabinet (1), air cabinet (1) is interior to be equipped with partition, and the partition will
The inner cavity of air cabinet (1) is divided into the part of the two mutual gas circuit isolation of inlet plenum (11) and exhaust chamber (12), feature
It is: further includes hush pipe (2), inlet plenum drive end bearing bracket (31), exhaust chamber rear end cap (32) and connecting rod (4),
The lateral surface of inlet plenum (11) is equipped at least two air inlets (111)；
Hush pipe (2) is set in air cabinet (1), and the front end of hush pipe (2) is inlet end and is provided with the noise reduction penetrated through with inner cavity
Air inlet (21), the rear end of hush pipe (2) are exhaust end and are provided with the noise reduction gas vent (22) penetrated through with inner cavity, hush pipe (2)
Middle part be arranged and be fixed on the partition in air cabinet (1), the rear and front end of hush pipe (2) is respectively arranged on inlet plenum (11)
In interior and exhaust chamber (12)；
Inlet plenum drive end bearing bracket (31) and exhaust chamber rear end cap (32) is sealed on the front end face of air cabinet (1) and rear end face
On, exhaust chamber rear end cap (32) is equipped at least four gas vents (321)；
The front end of hush pipe (2) is connected by connecting rod (4) and is fastened on inlet plenum drive end bearing bracket (31), after hush pipe (2)
End resists and is fastened on exhaust chamber rear end cap (32).
2. the muffler of vacuum pump is used for as described in claim 1, it is characterized in that: further including nut (5), pinch grip
(61), washer (62), rubber hose (7) and screw (8),
The front end face of hush pipe (2) is equipped with screw hole, is respectively equipped with external screw thread, connecting rod on the lateral surface at connecting rod (4) both ends
(4) rear end is spun on the screw hole on hush pipe (2) front end face Nei and is fastened with nut (5), and the front end of connecting rod (4) is from inlet plenum
Drive end bearing bracket (31) is screwed and is fastened on inlet plenum drive end bearing bracket (31), hush pipe with pinch grip (61) and washer (62) after being pierced by
(2) it is lined with rubber hose (7) between front end face and inlet plenum drive end bearing bracket (31) inner face, inlet plenum rear end cap (32) and watertight aircase
With screw (8) connection fastening between body (1) rear end face.
3. the muffler of vacuum pump is used for as claimed in claim 1 or 2, it is characterized in that: further including rubber sheet gasket (91) and stone
Cotton pad piece (92),
It is lined with rubber sheet gasket (91) between inlet plenum drive end bearing bracket (31) and air cabinet (1) front end face, exhaust chamber rear end cap (32)
Asbestos washer (92) are lined between air cabinet (1) rear end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821586281.3U CN208934870U (en) | 2018-09-28 | 2018-09-28 | Muffler for vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821586281.3U CN208934870U (en) | 2018-09-28 | 2018-09-28 | Muffler for vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208934870U true CN208934870U (en) | 2019-06-04 |
Family
ID=66722706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821586281.3U Active CN208934870U (en) | 2018-09-28 | 2018-09-28 | Muffler for vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208934870U (en) |
-
2018
- 2018-09-28 CN CN201821586281.3U patent/CN208934870U/en active Active
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| GR01 | Patent grant |